Create script.js

script.js

@@ -0,0 +1,26 @@
+function compute()
+{
+    var principal = document.getElementById("principal").value;
+    var rate = document.getElementById("rate").value;
+    var years = document.getElementById("years").value;
+    var interest = principal * years * rate / 100;
+    var amount = parseInt(principal)+ parseFloat(interest);
+    var result = document.getElementById("result");
+    var year = new Date().getFullYear() + parseInt(years);
+
+    if(principal <= 0){
+        alert("Please enter a positive number!");
+        document.getElementById("principal").focus();
+
+    } else {
+        result.innerHTML = "If you deposit $" + "<mark>" + principal + "</mark>" + ",\<br\> at an interest rate of " + "<mark>" + rate + "%" + "</mark>" + "\<br\> You will receive an amount of $" + "<mark>" + amount + "</mark>" + ",\<br\> in the year " + "<mark>" + year + "</mark>" + "\<br\>";
+    }        
+
+}
+
+function updateRate() {
+
+    var rateval = document.getElementById("rate").value;
+    document.getElementById("rate_val").innerText = rateval;
+
+}